#!/bin/sh
# Konigle CLI installer
#
# Usage:
#   curl -fsSL https://hostbento.com/install/cli | sh
#
set -e

PACKAGE="konigle"
UV_INSTALL="https://astral.sh/uv/install.sh"

BOLD="\033[1m"
GREEN="\033[0;32m"
YELLOW="\033[0;33m"
RED="\033[0;31m"
DIM="\033[2m"
RESET="\033[0m"

info()    { printf "${BOLD}  %s${RESET}\n" "$1"; }
success() { printf "${GREEN}  ✓ %s${RESET}\n" "$1"; }
warn()    { printf "${YELLOW}  ! %s${RESET}\n" "$1"; }
step()    { printf "${DIM}  → %s${RESET}\n" "$1"; }
error()   { printf "${RED}  ✗ error: %s${RESET}\n" "$1" >&2; exit 1; }

# ---------------------------------------------------------------------------
# OS check
# ---------------------------------------------------------------------------

OS="$(uname -s)"
case "$OS" in
  Linux|Darwin) ;;
  *) error "Unsupported OS: $OS. Only Linux and macOS are supported." ;;
esac

# ---------------------------------------------------------------------------
# Bootstrap uv (manages its own Python — no system Python required)
# ---------------------------------------------------------------------------

ensure_uv() {
  if command -v uv > /dev/null 2>&1; then
    return 0
  fi

  step "uv not found — installing uv..."
  if ! command -v curl > /dev/null 2>&1; then
    error "curl is required to install uv. Please install curl and try again."
  fi

  curl -LsSf "$UV_INSTALL" | sh

  # Add the most common uv install locations to PATH for this session.
  for dir in "$HOME/.local/bin" "$HOME/.cargo/bin"; do
    if [ -x "$dir/uv" ]; then
      export PATH="$dir:$PATH"
      break
    fi
  done

  if ! command -v uv > /dev/null 2>&1; then
    error "uv installed but not found on PATH. Open a new terminal and run: uv tool install $PACKAGE"
  fi

  success "uv installed"
}

# ---------------------------------------------------------------------------
# Install the konigle CLI as an isolated tool
# ---------------------------------------------------------------------------

install_konigle() {
  if uv tool list 2>/dev/null | grep -q "^$PACKAGE "; then
    step "Upgrading konigle CLI..."
    uv tool upgrade "$PACKAGE" --quiet
    success "konigle CLI upgraded to $(konigle --version 2>/dev/null || echo 'latest')"
  else
    step "Installing konigle CLI..."
    uv tool install "$PACKAGE" --quiet
    success "konigle CLI installed"
  fi
}

# ---------------------------------------------------------------------------
# PATH hint — uv tool binaries land in ~/.local/bin
# ---------------------------------------------------------------------------

print_path_hint() {
  TOOL_BIN="$(uv tool dir)/bin"
  case ":$PATH:" in
    *":$TOOL_BIN:"*) return ;;
  esac
  printf "\n"
  warn "Add the following to your shell profile to make 'konigle' available:"
  printf "\n"
  printf "    ${BOLD}export PATH=\"$TOOL_BIN:\$PATH\"${RESET}\n"
  printf "\n"
  warn "Then restart your terminal or run: source ~/.zshrc  (or ~/.bashrc)"
}

# ---------------------------------------------------------------------------
# Main
# ---------------------------------------------------------------------------

printf "\n"
printf "${BOLD}Konigle CLI${RESET}\n"
printf "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n"
printf "\n"

ensure_uv
install_konigle
print_path_hint

printf "\n"
printf "${BOLD}Quick start:${RESET}\n"
printf "\n"
printf "  ${DIM}# Add your Konigle project${RESET}\n"
printf "  konigle projects add mysite --api-key YOUR_API_KEY\n"
printf "\n"
printf "  ${DIM}# Link your app directory and deploy${RESET}\n"
printf "  cd your-app\n"
printf "  konigle cloud link\n"
printf "  konigle cloud deploy\n"
printf "\n"
printf "  ${DIM}# Promote to production when ready${RESET}\n"
printf "  konigle cloud promote\n"
printf "\n"
printf "${DIM}Docs: https://konigle.github.io/konigle-python/${RESET}\n"
printf "\n"